1 files changed, 81 insertions, 0 deletions
diff --git a/app/models/concerns/statuseable.rb b/app/models/concerns/statuseable.rb
new file mode 100644
index 00000000000..3ef91caad47
--- /dev/null
+++ b/app/models/concerns/statuseable.rb
@@ -0,0 +1,81 @@
+module Statuseable
+  extend ActiveSupport::Concern
+
+  AVAILABLE_STATUSES = %w(pending running success failed canceled skipped)
+
+  class_methods do
+    def status_sql
+      builds = all.select('count(*)').to_sql
+      success = all.success.select('count(*)').to_sql
+      ignored = all.ignored.select('count(*)').to_sql if all.respond_to?(:ignored)
+      ignored ||= '0'
+      pending = all.pending.select('count(*)').to_sql
+      running = all.running.select('count(*)').to_sql
+      canceled = all.canceled.select('count(*)').to_sql
+      skipped = all.skipped.select('count(*)').to_sql
+
+      deduce_status = "(CASE
+        WHEN (#{builds})=0 THEN NULL
+        WHEN (#{builds})=(#{success})+(#{ignored}) THEN 'success'
+        WHEN (#{builds})=(#{pending}) THEN 'pending'
+        WHEN (#{builds})=(#{canceled})+(#{success})+(#{ignored}) THEN 'canceled'
+        WHEN (#{builds})=(#{skipped}) THEN 'skipped'
+        WHEN (#{running})+(#{pending})>0 THEN 'running'
+        ELSE 'failed'
+      END)"
+
+      deduce_status
+    end
+
+    def status
+      all.pluck(self.status_sql).first
+    end
+
+    def duration
+      duration_array = all.map(&:duration).compact
+      duration_array.reduce(:+)
+    end
+
+    def started_at
+      all.minimum(:started_at)
+    end
+
+    def finished_at
+      all.maximum(:finished_at)
+    end
+  end
+
+  included do
+    validates :status, inclusion: { in: AVAILABLE_STATUSES }
+
+    state_machine :status, initial: :pending do
+      state :pending, value: 'pending'
+      state :running, value: 'running'
+      state :failed, value: 'failed'
+      state :success, value: 'success'
+      state :canceled, value: 'canceled'
+      state :skipped, value: 'skipped'
+    end
+
+    scope :running, -> { where(status: 'running') }
+    scope :pending, -> { where(status: 'pending') }
+    scope :success, -> { where(status: 'success') }
+    scope :failed, -> { where(status: 'failed')  }
+    scope :canceled, -> { where(status: 'canceled')  }
+    scope :skipped, -> { where(status: 'skipped')  }
+    scope :running_or_pending, -> { where(status: [:running, :pending]) }
+    scope :finished, -> { where(status: [:success, :failed, :canceled]) }
+  end
+
+  def started?
+    !pending? && !canceled? && started_at
+  end
+
+  def active?
+    running? || pending?
+  end
+
+  def complete?
+    canceled? || success? || failed?
+  end
+end